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Better error handling with Mojang REST api.

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Added handling for when there is no internet connection or Mojang's auth server is unreachable to both the login and status modules.
This commit is contained in:
Daniel Scalzi 2018-04-14 18:42:45 -04:00
parent b5386c0257
commit 66a3854a24
No known key found for this signature in database
GPG Key ID: 5CA2F145B63535F9
3 changed files with 74 additions and 24 deletions
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9
app/assets/js/actionbinder.js
View File

@ -62,8 +62,8 @@ document.addEventListener('readystatechange', function(){
// Update Mojang Status Color
const refreshMojangStatuses = async function(){
console.log('Refreshing Mojang Statuses..')
let status = 'grey'
try {
let status = 'grey'
const statuses = await Mojang.status()
greenCount = 0
for(let i=0; i<statuses.length; i++){
@ -79,12 +79,11 @@ document.addEventListener('readystatechange', function(){
if(greenCount == statuses.length){
status = 'green'
}
document.getElementById('mojang_status_icon').style.color = Mojang.statusToHex(status)
} catch (err) {
console.error('Unable to refresh Mojang service status..', err)
console.warn('Unable to refresh Mojang service status.')
console.debug(err)
}
document.getElementById('mojang_status_icon').style.color = Mojang.statusToHex(status)
}
refreshMojangStatuses()

55
app/assets/js/mojang.js
View File

@ -75,7 +75,12 @@ exports.status = function(){
json: true
},
function(error, response, body){
if(response.statusCode === 200){
if(error || response.statusCode !== 200){
console.warn('Unable to retrieve Mojang status.')
console.debug('Error while retrieving Mojang statuses:', error)
reject(error || response.statusCode)
} else {
for(let i=0; i<body.length; i++){
const key = Object.keys(body[i])[0]
inner:
@ -87,8 +92,6 @@ exports.status = function(){
}
}
fulfill(statuses)
} else {
reject()
}
})
})
@ -119,10 +122,15 @@ exports.authenticate = function(username, password, clientToken, requestUser = t
}
},
function(error, response, body){
if(response.statusCode === 200){
fulfill(body)
if(error){
console.error('Error during authentication.', error)
reject(error)
} else {
reject(body)
if(response.statusCode === 200){
fulfill(body)
} else {
reject(body || {code: 'ENOTFOUND'})
}
}
})
})
@ -148,11 +156,16 @@ exports.validate = function(accessToken, clientToken){
}
},
function(error, response, body){
if(response.statusCode === 403){
fulfill(false)
if(error){
console.error('Error during validation.', error)
reject(error)
} else {
// 204 if valid
fulfill(true)
if(response.statusCode === 403){
fulfill(false)
} else {
// 204 if valid
fulfill(true)
}
}
})
})
@ -178,10 +191,15 @@ exports.invalidate = function(accessToken, clientToken){
}
},
function(error, response, body){
if(response.statusCode === 200){
fulfill()
if(error){
console.error('Error during invalidation.', error)
reject(error)
} else {
reject()
if(response.statusCode === 204){
fulfill()
} else {
reject(body)
}
}
})
})
@ -210,10 +228,15 @@ exports.refresh = function(accessToken, clientToken, requestUser = true){
}
},
function(error, response, body){
if(response.statusCode === 200){
fulfill(body)
if(error){
console.error('Error during refresh.', error)
reject(error)
} else {
reject(response.body)
if(response.statusCode === 200){
fulfill(body)
} else {
reject(body)
}
}
})
})

34
app/login.ejs
View File

@ -180,6 +180,8 @@
}
function resolveError(err){
// Mojang Response => err.cause | err.error | err.errorMessage
// Node error => err.code | err.message
if(err.cause != null && err.cause === 'UserMigratedException') {
return {
title: 'Error During Login:<br>Invalid Credentials',
@ -202,11 +204,37 @@
}
}
}
} else {
// Request errors (from Node).
if(err.code != null){
if(err.code === 'ENOENT'){
// No Internet.
return {
title: 'Error During Login:<br>No Internet Connection',
desc: 'You must be connected to the internet in order to login. Please connect and try again.'
}
} else if(err.code === 'ENOTFOUND'){
// Could not reach server.
return {
title: 'Error During Login:<br>Authentication Server Offline',
desc: 'Mojang\'s authentication server is currently offline or unreachable. Please wait a bit and try again. You can check the status of the server on <a href="https://help.mojang.com/">Mojang\'s help portal</a>.'
}
}
}
}
}
return {
title: err.error,
desc: err.errorMessage
if(err.message != null){
// Unknown error with request.
return {
title: 'Error During Login:<br>Unknown Error',
desc: err.message
}
} else {
// Unknown Mojang error.
return {
title: err.error,
desc: err.errorMessage
}
}
}